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11. 发明授权

US08545015B2 Polarizing photochromic articles 有权
标题翻译：极化光致变色制品
公开(公告)号：US08545015B2
公开(公告)日：2013-10-01
申请号：US13296867
申请日：2011-11-15
申请人： Anil Kumar , Rachael L. Yoest , Chenguang Li , Delwin S. Jackson , Henry Nguyen
发明人： Anil Kumar , Rachael L. Yoest , Chenguang Li , Delwin S. Jackson , Henry Nguyen
IPC分类号： G02C3/00 , G02B5/30 , G02B5/23
CPC分类号： C09B57/00 , C09B67/0083 , C09K19/60 , G02B5/23 , G02F1/1335
摘要： Provided are photochromic articles including a substrate, a primer layer that includes a first photochromic compound, and a photochromic-dichroic layer over the primer layer that includes a photochromic-dichroic compound. The first photochromic compound and the photochromic-dichroic compound each are selected such that the photochromic-dichroic compound has an unactivated state terminal minimum absorbance wavelength that is less than or equal to the unactivated state terminal minimum absorbance of the underlying first photochromic compound. The present invention also relates to such photochromic articles that further include a topcoat layer over the photochromic-dichroic layer, the topcoat layer including a second photochromic compound that has an unactivated state terminal minimum absorbance wavelength that is less than the unactivated state terminal minimum absorbance wavelength of the underlying photochromic-dichroic compound.
摘要翻译：本发明提供的光致变色制品包括基材，包含第一光致变色化合物的底漆层和包含光致变色二色性化合物的底漆层上的光致变色二色性层。选择第一光致变色化合物和光致变色二色性化合物，使得光致变色二色性化合物具有小于或等于下层第一光致变色化合物的未活化状态末端最小吸光度的未活化状态末端最小吸光度波长。本发明还涉及这样的光致变色制品，其进一步包括在光致变色二色层上面的顶涂层，该顶涂层包括第二光致变色化合物，该第二光致变色化合物具有小于未活化状态末端最小吸光度波长的未活化状态末端最小吸收波长的底色光致变色二色性化合物。

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